Self-cleaning structure of air conditioner filter screen, control method and air conditioner

Abstract

The application provides a self-cleaning structure of an air conditioner filter screen, a control method and an air conditioner, and relates to the technical field of air conditioners, and solves the technical problem of the unsatisfactory cleaning effect of the air conditioner filter screen in the prior art. The self-cleaning structure of the air conditioner filter screen comprises a filter screen, a positioning structure and a blowing structure, the filter screen is arranged on the positioning structure, the filter screen covers the air inlet, and the positioning structure is used to drive the filter screen to reciprocally move between the air inlet and the air outlet of the blowing structure. The application is used to provide a self-cleaning structure of an air conditioner filter screen, a control method and an air conditioner, which can automatically clean and have a better cleaning effect.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, and in particular to a self-cleaning structure, control method, and air conditioner filter. Background Technology

[0002] As air conditioners are used for longer periods, the filters in the indoor unit can become clogged with dust. In areas with high humidity, these clogged filters are prone to mold and bacterial growth, which can not only impede ventilation but also produce unpleasant odors, affecting the user's health and comfort.

[0003] There are several existing methods for cleaning filters, such as:

[0004] The first method is for users to remove the filter from the indoor unit of the air conditioner and clean it manually. However, this cleaning method is not only inconvenient to remove and install, but also prone to problems with untimely cleaning.

[0005] The second method is to spray condensate onto the filter screen for cleaning, but this cleaning method is not suitable for environments with high humidity, as it is prone to bacterial growth.

[0006] The third method is to clean the filter by rotating a brush, but this method cannot clean it thoroughly and the dust collection box is difficult to clean.

[0007] The fourth method is to use the vibration of the filter to remove dust from the filter. However, this method makes it difficult to collect dust after removal, which can easily cause indoor environmental pollution. Summary of the Invention

[0008] The purpose of this invention is to provide a self-cleaning structure, control method, and air conditioner filter, thereby solving the technical problem of unsatisfactory cleaning effect of air conditioner filters in the prior art. The various technical effects of the preferred solutions among the many technical solutions provided by this invention are detailed below.

[0009] To achieve the above objectives, the present invention provides the following technical solution:

[0010] The self-cleaning structure of the air conditioner filter provided by the present invention includes a filter, a positioning structure and a blowing structure. The filter is disposed on the positioning structure and covers the air inlet. The positioning structure is used to drive the filter to reciprocate between the air inlet and the air outlet of the blowing structure.

[0011] As a further improvement of the present invention, the blowing structure is a fan assembly, the fan assembly includes a housing and at least one set of fans disposed in the housing, the housing is provided with two sets of air outlets, and the two sets of air outlets are respectively provided with air guide plate structures for closing or opening the air outlets, and the filter screen reciprocates between the first set of air outlets and the air inlet.

[0012] As a further improvement of the present invention, the air guide plate structure includes an air guide plate and an air guide motor, the air guide motor being connected to the air guide plate, and the air guide motor being used to drive the air guide plate to rotate to open or close the air outlet.

[0013] As a further improvement of the present invention, the air outlet of the blowing structure is provided with a sweeping plate, and the sweeping plate is provided with multiple rows of air holes.

[0014] As a further improvement of the present invention, each row of air outlets is staggered on the air sweeping plate.

[0015] As a further improvement of the present invention, a sliding component is provided between the air sweeping plate and the air blowing structure, and the sliding component drives the air sweeping plate to slide on the air outlet of the air blowing structure.

[0016] As a further improvement of the present invention, the sliding component includes a roller slot disposed on the air outlet side of the blowing structure, rollers disposed at both ends of the sweeping plate, and a roller motor. The sweeping plate is slidably connected to the roller slot through the rollers, and the roller motor is connected to the rollers.

[0017] As a further improvement of the present invention, the positioning structure includes a first motor, a first rotating shaft, a second motor, and a second rotating shaft. The first motor is connected to the first rotating shaft, the second motor is connected to the second rotating shaft, and the filter screen is wound and connected between the first rotating shaft and the second rotating shaft. A portion of the filter screen covers the air inlet.

[0018] As a further improvement of the present invention, the positioning structure further includes a third rotating shaft, and the middle part of the filter screen bypasses the third rotating shaft.

[0019] As a further improvement of the present invention, a dust collection structure is also included, wherein the dust collection structure is disposed on the air outlet side of the blowing structure, and the filter screen is located between the air outlet of the blowing structure and the dust collection structure.

[0020] As a further improvement of the present invention, the dust collection structure includes a dust collection box, which is cone-shaped on the side facing the air outlet, and a U-shaped pipe is provided on the side of the dust collection box away from the air outlet.

[0021] As a further improvement of the present invention, a pull-out box is provided at the end of the loop pipe, and a high-density filter screen is provided around the pull-out box.

[0022] A control method is applied to the self-cleaning structure of the air conditioner filter as described above; the control method includes:

[0023] Obtain the wind speed V at the outlet of the second group of the fan assembly. 上 ;

[0024] If V 上 Less than the preset value V n Activate dust removal mode.

[0025] As a further improvement of the present invention, the dust removal mode is activated by: closing the second group of air outlets, opening the first group of air outlets, the positioning structure driving the filter to move to the first group of air outlets, and the blowing structure blowing air to clean the filter.

[0026] As a further improvement of the present invention, it also includes: obtaining the wind speed V of the first group of air outlets. 下 If V 下 Greater than the reference value V 清 Then the dust removal process is complete.

[0027] As a further improvement to the present invention, V varies depending on the air conditioning setting. n The values ​​are different.

[0028] An air conditioner includes a self-cleaning structure for the air conditioner filter as described above.

[0029] The beneficial effects of this invention are as follows: The self-cleaning structure of the air conditioner filter provided by this invention, by setting a positioning structure and a blowing structure, allows the positioning structure to drive the filter to move back and forth between the air inlet and the air outlet of the blowing structure. When the filter needs to be cleaned, the positioning structure drives the filter to move to the air outlet of the blowing structure, and the blowing structure blows air onto the filter, thereby completing the cleaning of the filter. The entire cleaning process is completed automatically, without the need to disassemble or install the filter. The cleaning is convenient, efficient, and timely, effectively ensuring the cleaning effect.

[0030] Furthermore, the air blowing structure adopts the fan assembly of the indoor unit of the air conditioner. Two air outlets are set on the housing of the fan assembly, and the two air outlets are respectively closed or opened by two air guide plate structures. The first set of air outlets is used to blow air to clean the filter screen, and the second set of air outlets is connected to the air conditioner heat exchanger to form a heat exchange air duct. When the air conditioner is running normally, the air flow inside the housing is blown out from the second set of air outlets, and the air is blown out after heat exchange through the air conditioner heat exchanger system. When it is necessary to enter the dust removal mode, the air flow inside the housing is blown out from the second set of air outlets to clean the dust from the filter screen.

[0031] Furthermore, the self-cleaning structure of the air conditioner filter provided by the present invention also includes a dust collection structure. The filter is located between the air outlet of the blowing structure and the dust collection structure. The dust collection structure is used to collect the dust or lint from the air blowing structure when cleaning the filter, thereby achieving effective and thorough cleaning of the filter and convenient dust collection.

[0032] The control method provided by this invention detects the wind speed at the second set of air outlets and determines whether the filter is dirty and whether it is necessary to enter the dust removal mode to clean the filter based on the wind speed. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the installation structure of the present invention;

[0035] Figure 2 This is a schematic diagram of the disassembled structure of the present invention;

[0036] Figure 3 This is a schematic diagram of the structure of the fan assembly of the present invention;

[0037] Figure 4 This is a schematic diagram of the upper air outlet of the fan assembly of the present invention in the open state.

[0038] Figure 5 This is a schematic diagram of the disassembled structure of the wind turbine assembly of the present invention;

[0039] Figure 6 This is a schematic diagram of the positioning structure of the present invention;

[0040] Figure 7 This is a front view of the dust collection structure of the present invention;

[0041] Figure 8 This is a split diagram of the dust collection structure of the present invention;

[0042] Figure 9 This is a schematic diagram of the wind turbine assembly of the present invention from another perspective;

[0043] Figure 10 This is a schematic diagram of the structure of the air-sweeping plate of the present invention;

[0044] Figure 11 This is the control flowchart of the present invention.

[0045] In the diagram: 100, Indoor unit body; 10, Filter screen; 20, Positioning structure; 30, Air blowing structure; 40, Dust collection structure; 21, First motor; 22, First rotating shaft; 23, Second motor; 24, Second rotating shaft; 25, Third rotating shaft; 31, Housing; 32, Air inlet; 33, Air outlet; 34, Air guide plate structure; 35, Fan; 36, Air sweeping plate; 41, Dust collection box; 42, U-shaped duct; 43, Pull-out box; 44, High-density filter screen; 311, Roller slot; 341, Air guide plate; 342, Air guide motor; 361, Air outlet; 362, Roller. Detailed Implementation

[0046] Please refer to the attached diagram below. Figures 1 to 11 This document explains the content of the invention and the differences between the invention and existing technologies. The technical solutions (including preferred solutions) of the invention are further described in detail below with reference to accompanying drawings and examples of optional embodiments. It should be noted that any technical feature or solution in this embodiment is one or more of a variety of optional technical features or solutions. For the sake of brevity, this document cannot exhaustively list all alternative technical features and solutions of the invention, nor is it convenient to emphasize that each implementation of a technical feature is one of multiple optional implementations. Therefore, those skilled in the art should understand that any technical means provided by the invention can be replaced, or any two or more technical means or features provided by the invention can be combined to obtain new technical solutions. No technical feature or solution in this embodiment limits the scope of protection of the invention. The scope of protection of the invention should include any alternative technical solutions that can be conceived by those skilled in the art without creative effort, as well as new technical solutions obtained by combining any two or more technical means or features provided by the invention.

[0047] In the description of this invention, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0048] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0049] This invention provides a self-cleaning structure, control method, and air conditioner for an air conditioner filter that can automatically clean itself and has a good cleaning effect.

[0050] The following is combined with Figures 1 to 11 The technical solution provided by this invention will be described in more detail below.

[0051] The self-cleaning structure of the air conditioner filter provided by this invention, such as... Figure 1 As shown, the indoor unit body 100 includes a filter 10, a positioning structure 20, and a blowing structure 30. The filter 10 is disposed on the positioning structure 20 and covers the air inlet. The positioning structure 20 is used to drive the filter 10 to reciprocate between the air inlet and the air outlet of the blowing structure 30.

[0052] The self-cleaning structure for an air conditioner filter provided by this invention, by setting a positioning structure 20 and a blowing structure 30, allows the positioning structure 20 to drive the filter 10 to move back and forth between the air inlet and the air outlet of the blowing structure 30. When the filter 10 needs to be cleaned, the positioning structure 20 drives the filter 10 to move onto the air outlet of the blowing structure 30, and the blowing structure 30 blows air onto the filter 10, thereby completing the cleaning of the filter 10. The entire cleaning process is completed automatically without the need to disassemble or install the filter 10, making cleaning convenient, efficient, and timely, and effectively ensuring the cleaning effect.

[0053] It is understood that the blowing structure 30 can output wind or air vortex to blow away dust and lint on the filter screen 10, thereby completing the efficient cleaning of the filter screen 10. The blowing structure 30 can be a fan, a jet nozzle or other air outlet device.

[0054] Furthermore, a dust collection structure 40 is provided on the air outlet side of the blowing structure 30, and the filter screen 10 is located between the air outlet of the blowing structure 30 and the dust collection structure 40.

[0055] It is understood that the dust collection structure 40 is used to collect the dust or lint from the cleaning of the filter screen 10 by the blowing structure 30. Therefore, the filter screen 10 is placed between the dust collection structure 40 and the air outlet of the blowing structure 30. The gas blown out from the air outlet of the blowing structure 30 acts on the filter screen 10, blowing the dust or lint on the filter screen 10 into the dust collection structure 40, thus completing the collection of dust and lint.

[0056] In this embodiment, as Figures 2-3 The air blowing structure 30 shown is a fan assembly of an air conditioner. The fan assembly includes a housing 31 and at least one set of fans 35 disposed in the housing 31. The fans 35 include fan blades and a motor. The housing 31 is provided with an air inlet 32 ​​and two sets of air outlets 33, and the two sets of air outlets 33 are arranged opposite to each other. The two sets of air outlets 33 are respectively provided with air guide plate structures 34 for closing or opening the air outlets 33. The filter screen 10 reciprocates between the first set of air outlets 33 and the air inlet 32.

[0057] Specifically, the air guide plate structure 34 includes an air guide plate 341 and an air guide motor 342. The air guide plate 341 is rotatably connected to the housing 31, and the air guide motor 342 is connected to the air guide plate 341. The air guide motor 342 is used to drive the air guide plate 341 to rotate to open or close the air outlet 33.

[0058] For ease of understanding, the two sets of air outlets 33 are respectively an upper air outlet 33 (or a second set of air outlets 33) and a lower air outlet 33 (or a first set of air outlets 33). An upper air guide plate structure 34 is provided on the upper air outlet 33 to close or open the upper air outlet 33. The upper air outlet 33 is connected to the air conditioning heat exchanger to form a heat exchange air duct. A lower air guide plate structure 34 is provided on the lower air outlet 33 to close or open the lower air outlet 33. The filter screen 10 reciprocates between the air inlet 32 ​​of the fan assembly and the bottom of the lower air outlet 33.

[0059] When the air conditioner is running normally, the upper air guide plate structure 34 opens the upper air outlet 33, and the lower air guide plate structure 34 closes the lower air outlet 33. The air inside the housing 31 is blown out from the upper air outlet 33 and undergoes heat exchange through the air conditioning heat exchanger system. When it is necessary to enter the dust removal mode, the upper air guide plate structure 34 closes the upper air outlet 33, and the lower air guide plate structure 34 opens the lower air outlet 33. The air inside the housing 31 is blown out from the lower air outlet 33 to clean the dust from the filter screen 10.

[0060] Furthermore, the positioning structure 20 includes a first motor 21, a first rotating shaft 22, a second motor 23, a second rotating shaft 24, and a third rotating shaft 25. The first motor 21 is connected to the first rotating shaft 22, the second motor 23 is connected to the second rotating shaft 24, the first end of the filter screen 10 is wound around the first rotating shaft 22, the middle part of the filter screen 10 passes around the third rotating shaft 25, and the second end of the filter screen 10 is wound around the second rotating shaft 24, so that the filter screen 10 is wound and connected between the first rotating shaft 22 and the second rotating shaft 24, and completes the turning through the third rotating shaft 25. A portion of the filter screen 10 covers the air inlet 32.

[0061] When the air conditioner is operating normally, the portion of the filter screen 10 covering the air inlet 32 ​​is used to filter dust or lint. After prolonged filtration and accumulation of dirt, the dust removal mode can be activated. The second motor 23 drives the second rotating shaft 24 to rotate, moving the dirty portion of the filter screen 10 towards the downward air outlet 33, cleaning the filter screen 10 by blowing air. After cleaning is complete, the first motor 21 drives the first rotating shaft 22 to rotate, resetting the filter screen 10.

[0062] Optionally, such as Figures 7-8 As shown, the dust collection structure 40 includes a dust collection box 41, which is cone-shaped on the side facing the lower air outlet 33. A U-shaped pipe 42 is provided on the side of the dust collection box 41 away from the lower air outlet 33. A pull-out box 43 is provided at the end of the U-shaped pipe 42, and a high-density filter screen 44 is provided around the pull-out box 43.

[0063] The dust collection box 41 is cone-shaped facing the lower air outlet 33. The top opening of the dust collection box 41 is large and the middle opening is small. The top of the dust collection box 41 is fitted to the side of the lower air outlet 33 of the housing 31 and is sealed to the housing 31. The cone-shaped structure is conducive to collecting dust from the filter screen 10. When dust falls to the top of the dust collection box 41, it will enter the dust collection box 41 due to gravity or wind. A U-shaped pipe 42 is provided on the side of the dust collection box 41 away from the lower air outlet 33. The U-shaped pipe 42 helps to prevent dust from flowing back into the dust collection box 41.

[0064] The pull-out box 43 is equipped with a high-density filter screen 44 around its perimeter to filter the circulating air and collect dust. A handle is provided at one end of the pull-out box 43. The pull-out box 43 is located in a channel on the side panel of the indoor unit 100 of the air conditioner. When the dust removal mode ends, the pull-out box 43 can be pulled out to empty the dust inside.

[0065] Preferably, such as Figures 9-10As shown, a sweeping plate 36 is provided on the lower air outlet 33 of the blowing structure 30, and the sweeping plate 36 is provided with multiple rows of air outlet holes 361. The diameter of the air outlet holes 361 is 2mm. When the air blown out of the lower air outlet 33 passes through the sweeping plate 36, it forms a high-pressure airflow, which effectively cleans the dust and lint on the filter screen.

[0066] Preferably, each row of air outlets 361 is staggered on the sweeping plate 36. The staggered arrangement of each row of air outlets 361 allows the airflow after passing through the sweeping plate 36 to cover the filter screen 10 more comprehensively, resulting in a better cleaning effect.

[0067] Furthermore, a sliding component is provided between the air sweeping plate 36 and the air blowing structure 30, and the sliding component drives the air sweeping plate 36 to slide on the air outlet of the air blowing structure 30.

[0068] In this further improvement, the air sweeping plate 36 is slidably set on the air outlet of the blowing structure 30, thereby forming an all-round air sweeping airflow, effectively avoiding obstruction by the parts of the air sweeping plate 36, and can fully cover the filter screen 10 for a more thorough cleaning.

[0069] Specifically, the sliding assembly includes a roller slot 311 disposed on the air outlet side of the blowing structure 30, rollers 362 disposed at both ends of the sweeping plate 36, and a roller motor. The sweeping plate 36 is slidably connected to the roller slot 311 via the rollers 362, and the roller motor is connected to the rollers 362.

[0070] It is understood that in this embodiment, the air sweeping plate 36 and the housing 31 are connected by a sealing element. Specifically, the sealing element is a weatherstrip, which provides both sealing and sound insulation.

[0071] This invention provides a control method applied to the self-cleaning structure of the air conditioner filter as described above; the control method includes:

[0072] Get the wind speed V at the air outlet 33 on the fan assembly. 上 ;

[0073] If V 上 Less than the preset value V n Activate dust removal mode.

[0074] Activating the dust removal mode includes: closing the upper air outlet 33, opening the lower air outlet 33, the positioning structure 20 driving the filter screen 10 to move to the lower air outlet 33, and the blowing structure 30 blowing air to clean the filter screen 10.

[0075] Activating the dust removal mode also includes: obtaining the wind speed V at the upper air outlet 33. 下 If V下 Greater than the reference value V 清 Then the dust removal process is complete.

[0076] Specifically, an upper air speed sensor is provided at the upper air outlet 33 of the fan assembly. When the air conditioner is running, the upper air speed sensor at the upper air outlet 33 detects the wind speed value and compares the wind speed value with a preset value V corresponding to the current air conditioner setting. n Comparison, when V 上 If the value is greater than the preset value Vn, it means the filter does not need cleaning and the air conditioner is operating normally; when Vn is greater than the preset value Vn, it means the filter does not need cleaning and the air conditioner is operating normally. 上 Less than the preset value V n If the airflow is too low, it indicates that the airflow speed is too low. One reason for this is that filter 10 is clogged with dirt. In this case, you can be prompted to enter the dust removal mode.

[0077] After the user selects the dust removal mode, the lower air guide motor 342 drives the lower air guide plate 341 to rotate, opening the lower air outlet 33. The upper air guide motor 342 drives the upper air guide plate 341 to rotate, closing the upper air outlet 33. At the same time, the air outlet panel of the indoor unit 100 of the air conditioner is closed, and the fan runs at high speed for dust removal.

[0078] During the dust removal process, the roller motor drives the sweeping plate 36 to move, generating a high-pressure sweeping airflow. The positioning structure 20 drives the filter screen 10 to move to the lower air outlet 33, and the high-pressure sweeping airflow blows out and cleans the dust on the filter screen 10.

[0079] Furthermore, a lower air velocity sensor is installed at the lower air outlet 33 to detect the air velocity V at the lower air outlet 33. 下 If V 下 Greater than the reference value V 清 If the filter screen 10 is clean, the positioning structure 20 drives the filter screen 10 to move to the air inlet 32, and the cleaning is complete; if V 下 Greater than the reference value V 清 Then continue cleaning.

[0080] After cleaning is completed, the lower air guide motor 342 drives the lower air guide plate 341 to rotate, closing the lower air outlet 33, and the upper air guide motor 342 drives the upper air guide plate 341 to rotate, opening the upper air outlet 33.

[0081] The present invention provides an air conditioner including a self-cleaning structure for the air conditioner filter as described above.

[0082] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A self-cleaning structure for an air conditioner filter, characterized in that, The device includes a filter screen, a positioning structure, and a blowing structure. The filter screen is disposed on the positioning structure and covers the air inlet. The positioning structure is used to drive the filter screen to reciprocate between the air inlet and the air outlet of the blowing structure. The blowing structure is a fan assembly, which includes a housing and at least one set of fans disposed in the housing. The housing is provided with two sets of air outlets, and each of the two sets of air outlets is provided with a guide plate structure for closing or opening the air outlets. The filter screen reciprocates between the first set of air outlets and the air inlet. The air outlet of the blowing structure is provided with a sweeping plate, and the sweeping plate is provided with multiple rows of air holes; A sliding component is provided between the air sweeping plate and the air blowing structure, and the sliding component drives the air sweeping plate to slide on the air outlet of the air blowing structure.

2. The self-cleaning structure of the air conditioner filter according to claim 1, characterized in that, Each row of air outlets is staggered and arranged on the air sweeping plate.

3. The self-cleaning structure of the air conditioner filter according to claim 1, characterized in that, The air guide plate structure includes an air guide plate and an air guide motor. The air guide motor is connected to the air guide plate and is used to drive the air guide plate to rotate to open or close the air outlet.

4. The self-cleaning structure of the air conditioner filter according to claim 1, characterized in that, The sliding assembly includes a roller slot disposed on the air outlet side of the blowing structure, rollers disposed at both ends of the sweeping plate, and a roller motor. The sweeping plate is slidably connected to the roller slot through the rollers, and the roller motor is connected to the rollers.

5. The self-cleaning structure of the air conditioner filter according to claim 1, characterized in that, The positioning structure includes a first motor, a first rotating shaft, a second motor, and a second rotating shaft. The first motor is connected to the first rotating shaft, and the second motor is connected to the second rotating shaft. The filter screen is wound and connected between the first rotating shaft and the second rotating shaft, and a portion of the filter screen covers the air inlet.

6. The self-cleaning structure of the air conditioner filter according to claim 5, characterized in that, The positioning structure also includes a third rotating shaft, and the middle part of the filter screen passes around the third rotating shaft.

7. The self-cleaning structure of the air conditioner filter according to claim 1, characterized in that, It also includes a dust collection structure, which is disposed on the air outlet side of the blowing structure, and the filter screen is located between the air outlet of the blowing structure and the dust collection structure.

8. The self-cleaning structure of the air conditioner filter according to claim 7, characterized in that, The dust collection structure includes a dust collection box, which is cone-shaped on the side facing the air outlet, and a U-shaped pipe is provided on the side of the dust collection box away from the air outlet.

9. The self-cleaning structure of the air conditioner filter according to claim 8, characterized in that, A pull-out box is provided at the end of the loop-shaped pipe, and a high-density filter screen is provided around the pull-out box.

10. A control method, characterized in that, The self-cleaning structure applied to the air conditioner filter as described in any one of claims 1-9; the control method thereof includes: Obtain the wind speed V at the outlet of the second group of the fan assembly. 上 ; If V 上 Less than the preset value V n Activate dust removal mode.

11. The control method according to claim 10, characterized in that, Activating the dust removal mode includes: closing the second set of air outlets, opening the first set of air outlets, the positioning structure driving the filter to move to the first set of air outlets, and the blowing structure blowing air to clean the filter.

12. The control method according to claim 11, characterized in that, Also includes: Obtain the wind speed V at the first set of air outlets 下 If V 下 Greater than the reference value V 清 Then the dust removal process is complete.

13. The control method according to claim 12, characterized in that, Depending on the air conditioning setting, V n The values ​​are different.

14. An air conditioner, characterized in that, Includes a self-cleaning structure for an air conditioner filter as described in any one of claims 1-9.

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